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US Patent: 70,840
Dividers
Improvement in Pencil-Holders for Compasses
Patentee:
William Geo. Hillegass - Philadelphia, PA

USPTO Classifications:
33/27.02

Tool Categories:
layout tools : compasses : dividers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William H. H. Burrows
Horace R. Hillegass

Patent Dates:
Granted: Nov. 12, 1867

Patent Pictures:
Wm. G. Hillegass Pat. Nov. 12, 1867
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Description:
The patent is for a pencil-holding clamp for carpenters' compasses. The clamp is two metal plates and a thumb-screw.

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